package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Employee;
import com.itheima.reggie.service.EmployeeService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.DigestUtils;
import org.springframework.web.bind.annotation.*;
import javax.servlet.http.HttpServletRequest;
import java.time.LocalDateTime;

/**
 * @author solang
 * @date 2022-12-16 16:03 460027199908205732
 */
@RestController
@Slf4j
@RequestMapping("/employee")
public class EmployeeController {
    @Autowired
    private EmployeeService employeeService;

    /**
     * 登录
     * @param request
     * @param employee
     * @return
     */
    @PostMapping("/login")
    public R<Employee> login(HttpServletRequest request, @RequestBody Employee employee) {
        //1.页面提交的密码passwol进行md5加密处理
        String password = employee.getPassword();
        password = DigestUtils.md5DigestAsHex(password.getBytes());
        System.out.println("password:"+password);
        //2.根据页面提交的用户名username查询数据库
        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(Employee::getUsername, employee.getUsername());
        Employee emp = employeeService.getOne(queryWrapper);
        //3.如果没有查询到则返回登灵失败结果
        if (emp == null) {
            return R.error("登陆失败");
        }
        //4.密码比对，如果不一致则返回登录失败结果
        if (!emp.getPassword().equals(password)) {
            return R.error("登陆失败");
        }
        //5.查看员工状态，如果为已禁用状态，则返回员工已禁用结果
        if(emp.getStatus()==0){
            return R.error("账号已禁用");
        }
        //6.登录成功，将员工id存入Session并返回登灵成功结果
        request.getSession().setAttribute("employee",emp.getId());

        return R.success(emp);
    }

    /**
     * 登出
     * @param request
     * @return
     */
    @PostMapping("/logout")
    public R<String> logout(HttpServletRequest request){
        //清理session
        request.getSession().removeAttribute("employee");
        return R.success("退出成功");
    }

    /**
     *新增员工
     * @param
     * @return
     */
    @PostMapping
    public R<String> save(HttpServletRequest request, @RequestBody Employee  employee){
        log.info("新增员工信息:{}",employee.toString());
        //设置密码
        employee.setPassword(DigestUtils.md5DigestAsHex("123456".getBytes()));
        //设置创建时间
//        employee.setCreateTime(LocalDateTime.now());
        //设置修改时间
//        employee.setUpdateTime(LocalDateTime.now());
//        Long empId= (Long) request.getSession().getAttribute("employee");
        //创建人
//        employee.setCreateUser(empId);
        //修改人
//        employee.setUpdateUser(empId);
        employeeService.save(employee);

        return R.success("添加成功");
    }

    /**
     *员工分页查询
     * @param page
     * @param pageSize
     * @param name
     * @return
     */
    @GetMapping("/page")
    public R<Page> page(int page ,int pageSize ,String name){
        log.info("page={},pageSize={},name={}",page,pageSize,name);
        //分页构造器
        Page pageinfo = new Page(page, pageSize);

        //构造条件构造器
        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper();
        //添加过滤条件 (a,b,c) 满足a条件才触发执行,b是那个属性,c是值
        queryWrapper.like(StringUtils.isNotEmpty(name),Employee::getName,name);
        queryWrapper.orderByDesc(Employee::getUpdateTime);
        //执行查询
        employeeService.pageMaps(pageinfo,queryWrapper);
        return R.success(pageinfo);
    }

    /**
     * 修改员工信息
     * @param employee
     * @return
     */
    @PutMapping
    public R<String> update(HttpServletRequest request,@RequestBody Employee employee){
        log.info(employee.toString());
        //获取线程id
        long id = Thread.currentThread().getId();
        log.info("线程Id"+id);
        employeeService.updateById(employee);

        return R.success("修改信息成功");
    }

    @GetMapping("/{id}")
    public R<Employee> get(@PathVariable Long id){
        log.info("根据id查询");
        Employee employee = employeeService.getById(id);
        if(employee!=null){
            return R.success(employee);
        }
        return R.error("查询为空");
    }
}
